Respuesta :

1 Simplify 6t−t−7 to


5t−7=4t−8



2 Subtract 4t from both sides


5t−7−4t=−8



3 Simplify 5t−7−4t to


t−7=−8



4 Add 7 to both sides


t=−8+7



5 Simplify −8+7 to


[Answer] t=−1